The IXKN 45N80C from Littelfuse is a MOSFET with Continous Drain Current 44 A, Drain Source Resistance 74 Milliohm, Drain Source Breakdown Voltage 800 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.1 to 3.9 V. Tags: Chassis Mount. More details for IXKN 45N80C can be seen below.